Xdebug

Xdebug is a PHP extension which provides debugging and profiling capabilities.^[2] It uses the DBGp debugging protocol.

DeveloperDerick Rethans

Initial releaseMay 8, 2002 (2002-05-08)^[1]

Stable release

3.2.1 / March 21, 2023; 2 years ago (2023-03-21)

Written inC

Quick facts Developer, Initial release ...

Xdebug
An Xdebug error message on Wikimedia Commons
Developer	Derick Rethans
Initial release	May 8, 2002 (2002-05-08)[1]
Stable release	3.2.1 / March 21, 2023; 2 years ago (2023-03-21)
Written in	C
Available in	English
Type	Debugger
License	Permissive license, derived from the MIT license
Website	xdebug.org
Repository	github.com/xdebug/xdebug

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The debug information that Xdebug can provide includes the following:

• stack and function traces in error messages^[3] with:

• full parameter display for user defined functions
• function name, file name and line indications
• support for member functions

• memory allocation
• protection for infinite recursions

Xdebug also provides:

• profiling information for PHP scripts^[4]
• code coverage analysis
• capabilities to debug your scripts interactively with a debugger front-end.^[5]

Xdebug is also available via the PECL.^[6]